| Section 1. Identification | |||
|---|---|---|---|
| Chemical Name | 1-Penten-3-one | CAS No. | 1629-58-9 |
| Synonyms | ethylvinyl ketone; l-penten-3-on | Chinese Name | 1-戊烯-3-酮 |
| Molecular Formula | C5H8O | Molecular Weight | 84.1164 |
| UN No. | 1224 | Data Source | PubChem (NIH/NLM) |
| GHS Hazard Classification | |
|---|---|
| Signal Word | DANGER |
| Pictograms | GHS02 · Flammable |
| Hazard Statements | H225 |
| Precautionary Statements | P210P233P240P241P242P243P280P303+P361+P353P370+P378P403+P235P501 |
| Contents | |||
|---|---|---|---|
| Section 2 | Hazards Identification | Section 9 | Physical and Chemical Properties |
H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 1577 reports by companies from 6 notifications to the ECHA C&L Inventory.
Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Liquid, polymerizes readily with heat or in the presence of alkali; powerful penetrating odour
38.00 °C. @ 60.00 mm Hg
68-70 °C (200 mm Hg)
insoluble in water; soluble in most organic solvents
Miscible at room temperature (in ethanol)
0.842-0.848
1.417-1.422
Boiling point
Chemical shift
Heat of sublimation
Lineshape
Optical coefficient
Refractive index
Thermal expansion coefficient
Vapor pressure
EU Flavoring substances
FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Fragrance Ingredient (1-Penten-3-one) -> IFRA transparency List
Fatty Acyls [FA] -> Oxygenated hydrocarbons [FA12]